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<html><body><div id="demo"> <h2>Об’єкт XMLHttpRequest</h2> <button type="button" onclick="loadDoc('ajax_info.txt', myFunction)">Change Content</button></div><script>function loadDoc(url, xFunction) { const xhttp=new XMLHttpRequest(); xhttp.onload = function() {xFunction(this);} xhttp.open("GET", url); xhttp.send();}function myFunction(xhttp) { document.getElementById("demo").innerHTML = xhttp.responseText;}</script></body></html>